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We present Herschel Space Observatory photometric observations of the unique,long-period eclipsing binary star Epsilon Aurigae. Its extended spectral energydistribution is consistent with our previously published cool (550 K) dust diskmodel. We also present an archival infrared spectral energy distribution of theside of the disk facing the bright F-type star in the binary, which isconsistent with a warmer (1150 K) disk model. The lack of strong molecularemission features in the Herschel bands suggests that the disk has a lowgas-to-dust ratio. The spectral energy distribution and Herschel images implythat the 250 GHz radio detection reported by Altenhoff et al. is likelycontaminated by infrared-bright, extended background emission associated with anearby nebular region and should be considered an upper limit to the true fluxdensity of Epsilon Aur.

The Invisible Monster Has Two Faces: Observations of Epsilon Aurigae with the Herschel Space Observatory